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<html lang="zxx">

<head>
	<title>错误</title>
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</head>

<body>
<!-- main banner -->
	<div class="main-top" id="home">
		<!-- header -->
		<header>
			<div class="container-fix">
				<div class="header d-lg-flex justify-content-between align-items-center py-3 px-sm-3">
					<!-- logo -->
					<div id="logo">
						<h1><a href="index.html"><img src="images/logo.png" alt="" class="img-fluid" />云旗</a></h1>
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					<!-- //logo -->
					<!-- 导航 -->
					<div class="nav_w3ls">
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								<li><a href="index.html">主页</a></li>
								<li><a href="about.html">关于我们</a></li>
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								<li>
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										<li><a href="slr.html" class="drop-text">线性回归</a></li>
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						<!-- //搜索 -->
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		<!-- //header -->
		<!-- banner -->
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				<li class="breadcrumb-item"><a href="index.html" class="font-weight-bold">主页</a></li>
				<li class="breadcrumb-item" aria-current="page">错误</li>
			</ol>
		</div>
		<!-- //banner -->
	</div>
	<!-- //main banner -->
	
	<!-- 404 -->
	<div class="error pb-5 pt-2 text-center" id="price">
		<div class="container pb-xl-5 pb-lg-3">
			<img src="images/error.jpg" alt="糟糕，图片加载不出来了。" title="ERROR" class="img-fluid" />
			<br /><br /><br /><br />
			<h3 class="title-w3 text-bl my-3 font-weight-bold text-capitalize">抱歉!你所访问的界面不存在。</h3>
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			<a href="index.html" class="btn button-style mt-5">返回主页</a>
		</div>
	</div>
	<!-- //404 -->

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		<div class="container-fluid">
			<div class="d-md-flex px-md-3 position-relative text-center">
				<!-- footer social icons -->
				<div class="social-icons-footer mb-md-0 mb-3">
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				<!-- //footer social icons -->
				<!-- copyright -->
				<div class="copy_right mx-md-auto mb-md-0 mb-3">
					<p class="text-bl let">Copyright &copy; 2020.Company name All rights reserved.</p>
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				<!-- move top icon -->
				<a href="#home" class="move-top text-center">
					<span class="fa fa-level-up" aria-hidden="true"></span>
				</a>
				<!-- //move top icon -->
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		</div>
	</div>
	<!-- //copyright bottom -->

</body>

</html>